Hello.Thanks for writing again.Apo- clindamycin is an antibiotic and is mainly used to treat infections caused by bacteria. It can be used prophylactically before any surgery also to avoid development of any infection during any surgical procedure.Your doctor can prescribe it for infections based on the culture sensitivity report or to treat difficult or resistant infections.Hope my answer is helpful. Write back if you have further queries.Please accept my answer in case you do not have further queries.Wishing you a trouble free speedy recovery.